无法使用fzf预览目录

如何解决无法使用fzf预览目录

我在Mac上使用zsh，并配置了fzf来处理补全。一切都按我的预期进行，但是当我尝试预览目录的内容时出现错误。屏幕截图如下

下面是我的fzf配置的内容

# fzf configs
# https://medium.com/better-programming/boost-your-command-line-productivity-with-fuzzy-finder-985aa162ba5d
export FZF_DEFAULT_OPTS="
--layout=reverse
--info=inline
--height=100%
--multi
--preview-window=:hidden
--preview '([[ -f {} ]] && (bat --style=numbers --color=always {} || cat {})) || ([[ -d {} ]] && (tree -C -L 2 {} | less)) || echo {} 2> /dev/null | head -200'
--color='hl:148,hl+:154,pointer:032,marker:010,bg+:237,gutter:008'
--prompt='∼ ' --pointer='▶' --marker='✓'
--bind '?:toggle-preview'
--bind 'ctrl-a:select-all'
--bind 'ctrl-y:execute-silent(echo {+} | pbcopy)'
--bind 'ctrl-e:execute(echo {+} | xargs -o vim)'
--bind 'ctrl-v:execute(code {+})'
"
export FZF_DEFAULT_COMMAND="fd --hidden --follow --exclude '.git' --exclude 'node_modules'" # Setting fd as the default source for fzf
export FZF_CTRL_T_COMMAND="$FZF_DEFAULT_COMMAND" # To apply the command to CTRL-T as well

# Zstyles
zstyle ':completion:*' matcher-list '' '+m:{[:lower:]}={[:upper:]}' '+m:{[:upper:]}={[:lower:]}' '+m:{_-}={-_}' 'r:|[._-]=* r:|=*' 'l:|=* r:|=*'
zstyle ':completion::complete:*' use-cache 1
zstyle ':completion::complete:*' cache-path $ZSH_CACHE_DIR
#zstyle ':completion:*:*:kill:*:processes' list-colors '=(#b) #([0-9]#) ([0-9a-z-]#)*=01;34=0=01'
zstyle ':completion:*:*files' ignored-patterns '*?.o' '*?~' '*\#'
# disable sort when completing options of any command
zstyle ':completion:complete:*:options' sort false
zstyle ':completion:*:descriptions' format '[%d]'
zstyle ':completion:*' list-colors ${(s.:.)LS_COLORS}
# give a preview of directory by tree when completing cd
zstyle ':fzf-tab:complete:cd:*' fzf-preview 'tree -C -L 2 $realpath'
# use input as query string when completing zlua
#zstyle ':fzf-tab:complete:_zlua:*' query-string input
# give a preview of commandline arguments when completing `kill`
zstyle ':completion:*:*:*:*:processes' command "ps -u $USER -o pid,user,comm,cmd -w -w"
zstyle ':fzf-tab:complete:kill:argument-rest' extra-opts --preview=$extract'ps --pid=$in[(w)1] -o cmd --no-headers -w -w' --preview-window=down:3:wrap